Don Mario, formerly called Cerro Bayo, is a 100%-owned exploration project covering an approximately 8-by-6-kilometre area in Chile's Maricunga belt. Astra completed satellite alteration mapping, CS-NSAMT geophysics and a 267-sample geochemical and spectral-mineralogy grid in 2026, defining a 1.8-by-2-kilometre silica-alunite anomaly for drill targeting.
- Country
- Chile
- Commodity
- Au
- Stage
- Exploration